# xdiff_file_merge3

(PECL xdiff >= 0.2.0)

xdiff_file_merge3 — Merge 3 files into one

### Beschreibung

xdiff_file_merge3(
string `$old_file`,
string `$new_file1`,
string `$new_file2`,
string `$dest`
): mixed

Merges three files into one and stores the result in a file `dest`. The `old_file` is an original version while `new_file1` and `new_file2` are modified versions of an original.

### Parameter-Liste

`old_file`

  Path to the first file. It acts as "old" file.

`new_file1`

  Path to the second file. It acts as modified version of `old_file`.

`new_file2`

  Path to the third file. It acts as modified version of `old_file`.

`dest`

  Path of the resulting file, containing merged changed from both `new_file1` and `new_file2`.

### Rückgabewerte

Returns `true` if merge was successful, string with rejected chunks if it was not or `false` if an internal error happened.

### Beispiele

Beispiel #1 xdiff_file_merge3() example

The following code merges three files into one.

`<?php
$old_version = 'original_script.php';
$fix1 = 'script_with_fix1.php';
$fix2 = 'script_with_fix2.php';
$errors = xdiff_file_merge3($old_version, $fix1, $fix2, 'fixed_script.php');
if (is_string($errors)) {
echo "Rejects:\n";
echo $errors;
}
?>`

### Siehe auch

- xdiff_string_merge3() - Merge 3 strings into one

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